How much does the material of the fretboard affect the tone of an electric bass?

Would it make a noticeable difference in tone and sustain if I changed the neck on my electric bass from a neck with a maple fretboard to a neck with a rosewood fretboard. Although the string doesn't come into direct contact with the fingerboard itself the fret still resonates with the fingerboard. In addition Im not sure if electric instruments respond the same when it comes to difference in materials as acoustic instruments do.

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I hesitate to wade into the whole tonewood debacle, but I think in regards to the question about noticable difference in tone from maple to rosewood, the general consensus would be yes. Whether you could determine that reliably in a blind test, who knows? Regarding sustain, no idea...

I've been pretty well convinced regarding body wood choices not having an effect on the tone of electric instruments but I can't let go of the idea that wood choice in regards to fingerboards has to have some negligible effect on at least the attack and sustain of an instrument's sound.